# -*- coding: utf-8 -*-

# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting
# See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html
import json
from scrapy.exporters import JsonItemExporter
class CxianshengspiderPipeline(object):
    def __init__(self):
        self.fp = open('cxiansheng.json', 'w', encoding='utf-8')
        # self.exporter = JsonItemExporter(self.fp, ensure_ascii=False, encoding='utf-8')

    def open_spider(self, spider):
        print('爬虫开始...')


    def process_item(self, item, spider):

        item_json = json.dumps(dict(item), ensure_ascii=False)
        # self.exporter.export_item(item)
        self.fp.write(item_json + '\n')

    def close_spider(self, spider):

        self.fp.close()

        print('爬虫结束...')
